function check_search(form)
        {
        var string = form.ProdText.value;
        string = string.replace(/[^\w\-\"' ]/g, " ");
        while (string.indexOf("  ") >= 0)
          string = string.replace(/\s+/g, " ");
        string = string.replace(/^\s+/, "").replace(/\s+$/, "");
        form.ProdText.value = string;
        if (string.length > 0)
          return true;
        if (document.URL.search("search_request") >= 0)
          {
          if (confirm("You haven't specified any search criteria. Do you want to see all our bulbs?"))
            return true;
          form.ProdText.focus();
          }
        else
          window.location = "search_request.aspx";
        return false;
        }